Senior Security Engineer

Senior Security Engineer

Grupo Orsa (Microsoft Solutions Partner) located in Edinburgh – Highly competitive pay, performance bonus & exceptional benefits.

Join Quorum, a leading Microsoft Solutions Partner and Tier 1 CSP based in Scotland. We’re not your average IT consultancy – we’re employee‑owned, award‑winning, and proud holders of 5 out of 6 Microsoft Designations and 3 Specialisations in Cloud Security, Identity & Access Management, and Microsoft Teams Calling. We’re expanding our Managed Security Services team and are looking for a Senior Security Engineer who is passionate about proactive threat detection, automation and innovation.

• Highly competitive salary + bonus scheme linked to Microsoft accreditations
• Flexible holiday buying/selling
• Home broadband paid
• Private health care & contributory pension
• Dedicated technical training budget and development pathways
• Award‑winning family‑friendly and flexible working culture
• A genuinely friendly, collaborative team environment with low turnover

• Leading as an escalation point for cyber incidents and alerts
• Integrating threat intelligence into Microsoft Defender and Sentinel
• Developing, tuning and managing detection rules and response policies
• Performing threat hunting across client environments
• Maintaining and optimising our security tech stack (Defender XDR, Sentinel, Entra , Azure, M365)
• Onboarding clients to security platforms and managing secure configurations
• Supporting internal and client teams with technical reporting and analysis
• Mentoring junior engineers and contributing to a culture of continuous improvement

• 3+ years in cyber security, ideally within a Managed Service Provider
• Deep experience with Microsoft Defender suite (MDE, MDO, MDCA, MDI) and Microsoft Sentinel
• Strong knowledge of KQL, Logic Apps and automation/orchestration tools
• Skilled in endpoint, identity and cloud security
• Familiar with Microsoft 365 and Azure security best practices
• Excellent communicator – comfortable explaining complex security risks to both tech teams and business leaders
• Passion for learning, team mentorship and staying ahead of cyber threats

Bonus points if you hold certifications such as SC‑100, SC‑200, CompTIA Security+ or Network+.

If you are an experienced security engineer who thrives in a fast‑paced, supportive environment – and are ready to help shape the future of cyber defence for a diverse client base – we want to hear from you.

Take your next career move to the best yet. Apply now.

• Mid‑Senior level

• Full‑time

• Information Technology
• Computer and Network Security